Search

Outline

  1. CCSS.MATH.CONTENT.HSG.CO.C.9
    1. Vertical Angles Theorem
    2. Alternate Interior Angles and Corresponding Angles

CCSS.MATH.CONTENT.HSG.CO.C.9

Author:Ellen Barbaresso
This is a GeoGebraBook that proves the theorems about lines and angles.

  • Vertical Angles Theorem

  • Alternate Interior Angles and Corresponding Angles

Next
Vertical Angles Theorem

New Resources

  • Angle Addition: Warm Up Exercises
  • Slope and Road Signs
  • Model sferyczny - dwunastościan-dwudziestościan
  • Untitled
  • Model sferyczny - sześcian-ośmiościan

Discover Resources

  • Properties of chords in a circle
  • GeoGebra + Gif
  • Maximum Area Fixed Perimeter
  • A4 & Golden Ratio
  • รูปที่ 37 (เวกเตอร์)

Discover Topics

  • Linear Functions
  • Interest Calculation
  • Geometric Transformations
  • Exponent
  • Inequalities
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®